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Is an Operating System made by Apple, based OpenBSD.


  • Install MacOS from USB drive: Apple Guide
  • Install MacOS in VirtualBox: Script on GitHub
  • To change screen resolution: VBoxManage setextradata "vm_name" "VBoxInternal2/EfiGraphicsResolution" "resolution"
  • Supported resolutions: 5120x2880 2880x1800 2560x1600 2560x1440 1920x1200 1600x1200 1680x1050 1440x900 1280x800 1024x768 640x480
  • For audio, OpenCore bootloader could solve issue


  • Activity Monitor: Task manager
  • Console: Event viewer
  • Files
    • Command + Shift + . to show hidden files
  • Apps
    • Force quit: in the Apple menu
  • Network
  • sudo lsof -i -n -P list all open connections

Useful apps

System health scan

  • EtreCheck to check for problems like adware